Method and apparatus of spatial motion vector prediction

JL Lin, YP Tsai, YW Huang, SM Lei - US Patent 8,824,558, 2014 - Google Patents
An apparatus and method for deriving a motion vector pre dictor (MVP) or a MVP candidate
for a current block are disclosed. Embodiments according of the present invention receive a …

Unified merge mode and adaptive motion vector prediction mode candidates selection

Y Zheng, X Wang, M Karczewicz - US Patent 9,282,338, 2016 - Google Patents
(57) ABSTRACT A unified candidate block set for both adaptive motion vector prediction
(AMVP) mode and merge mode for use in inter prediction is proposed. In general, the same …

Temporal motion data candidate derivation in video coding

M Zhou - US Patent 9,247,266, 2016 - Google Patents
820----------------picture having a same size, shape, and coordinates as the PU, and selecting
at least some motion data of a secondary TMD position as the TMD candidate when the …

Partial cost calculation

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,159,816, 2021 - Google Patents
A method of decoding a bitstream comprising a digital representation of a video includes
decoding motion infor mation for a current video block from the bitstream, esti mating …

Block size restrictions for DMVR

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,363,290, 2022 - Google Patents
Methods of enabling and disabling a decoder-side motion vector refinement (DMVR) video
decoder and/or encoder are described. One example method includes determining a width …

Motion vector rounding

V Seregin, J Chen, X Wang, M Karczewicz - US Patent 9,325,991, 2016 - Google Patents
(57) ABSTRACT A video decoder determines, based at least in part on a size of a prediction
unit (PU), whether to round either or both a horizontal or a vertical component of a motion …

Unified merge mode and adaptive motion vector prediction mode candidates selection

Y Zheng, X Wang, M Karczewicz - US Patent 9,131,239, 2015 - Google Patents
(57) ABSTRACT A unified candidate block set for both adaptive motion vector prediction
(AMVP) mode and merge mode for use in inter prediction is proposed. In general, the same …

Hybrid motion vector coding modes for video coding

Y Zheng, X Wang, M Karczewicz - US Patent App. 13/614,018, 2013 - Google Patents
BACKGROUND 0003 Digital video capabilities can be incorporated into a wide range of
devices, including digital televisions, digital direct broadcast systems, wireless broadcast …

Motion vector determination for video coding

X Wang, Y Zheng, V Seregin, M Karczewicz - US Patent 9,736,489, 2017 - Google Patents
Nov. 21-30, 2011, 13 pp. Jeon et al.,“Non-CE9: Improvement on Parallelized Merge/Skip
Mode”, JCT-VC Meeting; MPEG Meeting; Nov. 19-30, 2011; Geneva;(Joint Colloborative …

Method and apparatus for building motion vector list for motion vector prediction

Y Lin - US Patent 10,511,854, 2019 - Google Patents
Relating to the field of video coding, a method and an apparatus for building a motion vector
list for motion vector prediction, which solve a problem of building motion vector lists of at …